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Differentiated Services (DiffServ) Identifiers

Scheduled Pinned Locked Moved General pfSense Questions
diffservtostraffic shapingpriorityrouting
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  • J Offline
    JonathanLee
    last edited by JonathanLee Jan 12, 2025, 5:39 PM Jan 12, 2025, 5:36 PM

    Hello fellow Netgate community members can you please help?

    What TOS would constitute full bandwidth use on pfSense?

    This is something like 0x30

    Per Netgate documentation it lists serval directives however it does not really explain the hierarchy to the provided items.

    Ref:
    https://docs.netgate.com/pfsense/en/latest/trafficshaper/dscp.html

    Make sure to upvote

    S 1 Reply Last reply Jan 12, 2025, 7:10 PM Reply Quote 0
    • J Offline
      JonathanLee
      last edited by Jan 12, 2025, 5:43 PM

      As quoted
      “Class Selector (CS): These values are used for backward compatibility with IP precedence:
      CS1 (8): Typically used for background traffic.
      CS2 (16): Used for standard traffic.
      CS3 (24): Used for critical applications.
      CS4 (32): Used for real-time applications.
      CS5 (40): Used for signaling.
      CS6 (48): Used for network control.
      CS7 (56): Used for network control with the highest priority.”

      Does the following still apply 0x32 ? And or 0x30?

      Ref:

      https://bytesolutions.com/dscp-tos-cos-precedence-conversion-chart/

      Make sure to upvote

      1 Reply Last reply Reply Quote 0
      • S Offline
        stephenw10 Netgate Administrator @JonathanLee
        last edited by Jan 12, 2025, 7:10 PM

        @JonathanLee said in Differentiated Services (DiffServ) Identifiers:

        What TOS would constitute full bandwidth use on pfSense?

        pfSense doesn't use those values at all by default. You can use them in rules for shaper queues if you want to or set that for use in other devices the connection is going through.

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